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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# (c) 2017, Alice Ferrazzi <alice.ferrazzi@gmail.com>
# Distributed under the terms of the GNU General Public License v2 or later
import uuid
import os
import werkzeug
from flask import jsonify, make_response
from flask_restful import Resource, reqparse, fields, marshal
from elivepatch_server.resources.livepatch import PaTch
pack_fields = {
'KernelVersion': fields.String,
'LivepatchStatus': fields.String,
'UserID': fields.String
}
packs = {
'id': 1,
'KernelVersion': None,
'LivepatchStatus': None,
'UserID': None
}
def id_generate():
UserID = str(uuid.uuid4())
return UserID
def check_uuid(uuid):
if not uuid:
print('Generating new uuid')
return id_generate()
else:
print('UserID: ' + str(uuid))
return uuid
def get_uuid_dir(uuid):
return os.path.join('/tmp/', 'elivepatch-' + uuid)
def set_kernel_dir(uuid, kernel_version):
kernel_absolute_path = 'linux-' + str(kernel_version) + '-gentoo'
kernel_path = os.path.join('/tmp/', 'elivepatch-' + uuid, 'usr', 'src', kernel_absolute_path)
lpatch.set_kernel_dir(kernel_path)
lpatch = PaTch()
kernel_dir = lpatch.get_kernel_dir()
class BuildLivePatch(Resource):
def __init__(self):
self.reqparse = reqparse.RequestParser()
self.reqparse.add_argument('KernelVersion', type=str, required=False,
help='No task title provided',
location='json')
self.reqparse.add_argument('LivepatchStatus', type=str, required=False,
help='No task title provided',
location='json')
self.reqparse.add_argument('UserID', type=str, required=False,
help='No task title provided',
location='json')
super(BuildLivePatch, self).__init__()
pass
def get(self):
# lpatch.build_livepatch(kernel_dir, kernel_dir + '/vmlinux')
return {'packs': [marshal(pack, pack_fields) for pack in packs]}
def post(self):
args = self.reqparse.parse_args()
args['UserID'] = check_uuid(args['UserID'])
if args['KernelVersion']:
set_kernel_dir(args['UserID'], args['KernelVersion'])
kernel_config = lpatch.get_config()
kernel_patch = lpatch.get_patch()
if kernel_config and kernel_patch:
lpatch.set_lp_status('working')
print("build livepatch: " + str(args))
# check vmlinux presence if not rebuild the kernel
lpatch.get_kernel_sources(args['UserID'], args['KernelVersion'])
lpatch.build_livepatch(args['UserID'], 'vmlinux')
pack = {
'id': packs['id'] + 1,
'KernelVersion': args['KernelVersion'],
'LivepatchStatus': lpatch.livepatch_status,
'UserID' : args['UserID']
}
return {'build_livepatch': marshal(pack, pack_fields)}, 201
class SendLivePatch(Resource):
def __init__(self):
self.reqparse = reqparse.RequestParser()
self.reqparse.add_argument('KernelVersion', type=str, required=False,
help='No task title provided',
location='json')
self.reqparse.add_argument('UserID', type=str, required=False,
help='No task title provided',
location='json')
super(SendLivePatch, self).__init__()
pass
def get(self):
args = self.reqparse.parse_args()
print("get livepatch: " + str(args))
# check if is a new user
args['UserID'] = check_uuid(args['UserID'])
uuid_dir = get_uuid_dir(args['UserID'])
patch_name = lpatch.get_patch_filename()
# change patch extension to .ko
base = os.path.splitext(patch_name)[0]
livepatch_name = base + ".ko"
# Getting livepatch build status
livepatch_full_path = os.path.join(uuid_dir, 'kpatch-'+livepatch_name)
with open(livepatch_full_path, 'rb') as fp:
response = make_response(fp.read())
response.headers['content-type'] = 'application/octet-stream'
return response
def post(self):
return make_response(jsonify({'message': 'These are not the \
patches you are looking for'}), 403)
class GetFiles(Resource):
def __init__(self):
self.reqparse = reqparse.RequestParser()
self.reqparse.add_argument('KernelVersion', type=str, required=False,
help='No task title provided',
location='headers')
self.reqparse.add_argument('UserID', type=str, required=False,
help='No task title provided',
location='headers')
super(GetFiles, self).__init__()
pass
def get(self):
return make_response(jsonify({'message': 'These are not the \
patches you are looking for'}), 403)
def post(self):
args = self.reqparse.parse_args()
args['UserID'] = check_uuid(args['UserID'])
parse = reqparse.RequestParser()
parse.add_argument('patch', type=werkzeug.datastructures.FileStorage,
location='files')
parse.add_argument('config', type=werkzeug.datastructures.FileStorage,
location='files')
file_args = parse.parse_args()
print("file get config: " + str(file_args))
configFile = file_args['config']
configFile_name = file_args['config'].filename
patchfile = file_args['patch']
patchfile_name = file_args['patch'].filename
configFile_name = os.path.join('/tmp','elivepatch-' + args['UserID'], configFile_name)
if not os.path.exists('/tmp/elivepatch-' + args['UserID']):
os.makedirs('/tmp/elivepatch-' + args['UserID'])
configFile.save(configFile_name)
lpatch.set_config(configFile_name)
patch_fulldir_name = os.path.join('/tmp','elivepatch-' + args['UserID'], patchfile_name)
if not os.path.exists('/tmp/elivepatch-' + args['UserID']):
os.makedirs('/tmp/elivepatch-' + args['UserID'])
patchfile.save(patch_fulldir_name)
lpatch.set_patch(patch_fulldir_name)
lpatch.set_patch_filename(patchfile_name)
pack = {
'id': packs['id'] + 1,
'KernelVersion': None,
'UserID' : args['UserID']
}
return {'get_config': marshal(pack, pack_fields)}, 201
class GetID(Resource):
def __init__(self):
self.reqparse = reqparse.RequestParser()
self.reqparse.add_argument('UserID', type=str, required=False,
help='No task title provided',
location='json')
super(GetID, self).__init__()
pass
def get(self):
return make_response(jsonify({'message': 'These are not the \
patches you are looking for'}), 403)
def post(self):
args = self.reqparse.parse_args()
print("get ID: " + str(args))
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